internal static void Decode(AsnReader reader, out Pbkdf2Params decoded)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
Decode(reader, Asn1Tag.Sequence, out decoded);
}
static Pbkdf2Params()
{
Pbkdf2Params decoded = default;
AsnReader reader;
reader = new AsnReader(s_defaultPrf, AsnEncodingRules.DER);
System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(reader, out decoded.Prf);
reader.ThrowIfNotEmpty();
}
static Pbkdf2Params()
{
Pbkdf2Params decoded = default;
ReadOnlyMemory <byte> rebind = default;
AsnValueReader reader;
reader = new AsnValueReader(DefaultPrf, AsnEncodingRules.DER);
System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref reader, rebind, out decoded.Prf);
reader.ThrowIfNotEmpty();
}
internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out Pbkdf2Params decoded)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
decoded = default;
AsnReader sequenceReader = reader.ReadSequence(expectedTag);
AsnReader defaultReader;
System.Security.Cryptography.Asn1.Pbkdf2SaltChoice.Decode(sequenceReader, out decoded.Salt);
if (!sequenceReader.TryReadInt32(out decoded.IterationCount))
{
sequenceReader.ThrowIfNotEmpty();
}
if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Integer))
{
if (sequenceReader.TryReadUInt8(out byte tmpKeyLength))
{
decoded.KeyLength = tmpKeyLength;
}
else
{
sequenceReader.ThrowIfNotEmpty();
}
}
if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence))
{
System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(sequenceReader, out decoded.Prf);
}
else
{
defaultReader = new AsnReader(s_defaultPrf, AsnEncodingRules.DER);
System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(defaultReader, out decoded.Prf);
}
sequenceReader.ThrowIfNotEmpty();
}
internal static void Decode(ref AsnValueReader reader, ReadOnlyMemory <byte> rebind, out Pbkdf2Params decoded)
{
Decode(ref reader, Asn1Tag.Sequence, rebind, out decoded);
}
internal static void Decode(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out Pbkdf2Params decoded)
{
try
{
DecodeCore(ref reader, expectedTag, rebind, out decoded);
}
catch (AsnContentException e)
{
throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding, e);
}
}
private static void DecodeCore(ref AsnValueReader reader, Asn1Tag expectedTag, ReadOnlyMemory <byte> rebind, out Pbkdf2Params decoded)
{
decoded = default;
AsnValueReader sequenceReader = reader.ReadSequence(expectedTag);
AsnValueReader defaultReader;
System.Security.Cryptography.Asn1.Pbkdf2SaltChoice.Decode(ref sequenceReader, rebind, out decoded.Salt);
if (!sequenceReader.TryReadInt32(out decoded.IterationCount))
{
sequenceReader.ThrowIfNotEmpty();
}
if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Integer))
{
if (sequenceReader.TryReadInt32(out int tmpKeyLength))
{
decoded.KeyLength = tmpKeyLength;
}
else
{
sequenceReader.ThrowIfNotEmpty();
}
}
if (sequenceReader.HasData && sequenceReader.PeekTag().HasSameClassAndValue(Asn1Tag.Sequence))
{
System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref sequenceReader, rebind, out decoded.Prf);
}
else
{
defaultReader = new AsnValueReader(DefaultPrf, AsnEncodingRules.DER);
System.Security.Cryptography.Asn1.AlgorithmIdentifierAsn.Decode(ref defaultReader, rebind, out decoded.Prf);
}
sequenceReader.ThrowIfNotEmpty();
}